<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="课程名称" prop="name">
        <el-input v-model="queryParams.name" placeholder="请输入课程名称" clearable @keyup.enter.native="handleQuery"/>
      </el-form-item>
      <el-form-item label="标签" prop="lable">
        <el-input v-model="queryParams.lable" placeholder="请输入标签" clearable @keyup.enter.native="handleQuery"/>
      </el-form-item>
      <el-form-item label="描述" prop="info">
        <el-input v-model="queryParams.info" placeholder="请输入描述" clearable @keyup.enter.native="handleQuery"/>
      </el-form-item>
      <el-form-item label="状态" prop="status">
        <el-select v-model="queryParams.status" placeholder="请选择状态" clearable>
          <el-option v-for="dict in dict.type.course_manage" :key="dict.value" :label="dict.label" :value="dict.value"/>
        </el-select>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button type="primary" plain icon="el-icon-plus" size="mini" @click="handleAdd" v-hasPermi="['course:course_train:add']">新增</el-button>
      </el-col>
<!--      <el-col :span="1.5">-->
<!--        <el-button type="success" plain icon="el-icon-edit" size="mini" :disabled="single" @click="handleUpdate" v-hasPermi="['course:course_train:edit']">修改</el-button>-->
<!--      </el-col>-->
      <el-col :span="1.5">
        <el-button type="danger" plain icon="el-icon-delete" size="mini" :disabled="multiple" @click="handleDelete" v-hasPermi="['course:course_train:remove']">删除</el-button>
      </el-col>
<!--      <el-col :span="1.5">-->
<!--        <el-button type="warning" plain icon="el-icon-download" size="mini" @click="handleExport" v-hasPermi="['course:course_train:export']">导出</el-button>-->
<!--      </el-col>-->
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="course_trainList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center"/>
      <el-table-column label="课程名称" align="center" prop="name">
        <template slot-scope="scope">
          <router-link :to="'/course/course_train_section/index/' + scope.row.id" class="link-type">
            <span>{{ scope.row.name }}</span>
          </router-link>
        </template>
      </el-table-column>
      <el-table-column label="类型" align="center" prop="type"/>
      <el-table-column label="标签" align="center" prop="lable"/>
      <el-table-column label="描述" align="center" prop="info"/>
      <el-table-column label="状态" align="center" prop="status">
        <template slot-scope="scope">
          <dict-tag :options="dict.type.course_manage" :value="scope.row.status"/>
        </template>
      </el-table-column>
      <el-table-column label="创建时间" align="center" prop="createTime" width="180">
        <template slot-scope="scope">
          <span>{{ parseTime(scope.row.createTime, '{y}-{m}-{d}') }}</span>
        </template>
      </el-table-column>
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button v-if="scope.row.status == '0'" size="mini" type="text" icon="el-icon-edit" @click="handleUpdate(scope.row)" v-hasPermi="['course:course_train:edit']">修改</el-button>
          <el-button v-if="scope.row.status == '0'" size="mini" type="text" icon="el-icon-delete" @click="handleDelete(scope.row)" v-hasPermi="['course:course_train:remove']">删除</el-button>
          <el-button size="mini" type="text" @click="manageUpdate(scope.row)" v-hasPermi="['course:course_train:edit']"
                     :icon="scope.row.status == '0' ? 'el-icon-upload2' : 'el-icon-download'">
            {{scope.row.status == '0' ? '上架' : '下架'}}</el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination v-show="total>0" :total="total" :page.sync="queryParams.pageNum" :limit.sync="queryParams.pageSize" @pagination="getList"/>

    <!-- 添加或修改course_train对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="课程名称" prop="name">
          <el-input v-model="form.name" placeholder="请输入课程名称"/>
        </el-form-item>
        <el-form-item label="标签" prop="lable">
          <el-input v-model="form.lable" placeholder="请输入标签"/>
        </el-form-item>
        <el-form-item label="描述" prop="info">
          <el-input v-model="form.info" placeholder="请输入描述"/>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import {
  listCourse_train,
  getCourse_train,
  delCourse_train,
  addCourse_train,
  updateCourse_train
} from "@/api/course/course_train";

export default {
  name: "Course_train",
  dicts: ['course_manage'],
  data() {
    return {
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // course_train表格数据
      course_trainList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        name: null,
        type: null,
        lable: null,
        info: null,
        status: null,
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        name: [
          {required: true, message: "课程名称不能为空", trigger: "blur"}
        ],
        type: [
          {required: true, message: "类型不能为空", trigger: "change"}
        ],
      }
    };
  },
  created() {
    this.getList();
  },
  methods: {
    /** 查询course_train列表 */
    getList() {
      this.loading = true;
      listCourse_train(this.queryParams).then(response => {
        this.course_trainList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        id: null,
        userId: null,
        deptId: null,
        name: null,
        type: null,
        lable: null,
        info: null,
        status: null,
        reservedOne: null,
        reservedTwo: null,
        createTime: null
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.id)
      this.single = selection.length !== 1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加课程";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const id = row.id || this.ids
      getCourse_train(id).then(response => {
        this.form = response.data;
        this.open = true;
        this.title = "修改课程";
      });
    },
    /** 上架或者下架 */
    manageUpdate(row){
      var body = {};
      body.id = row.id;
      body.status = row.status == '0' ? '1' : '0';
      updateCourse_train(body).then(response => {
        this.$modal.msgSuccess((row.status == '0' ? '上架' : '下架') +"成功");
        this.getList();
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.id != null) {
            updateCourse_train(this.form).then(response => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addCourse_train(this.form).then(response => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const ids = row.id || this.ids;
      this.$modal.confirm('是否确认删除course_train编号为"' + ids + '"的数据项？').then(function () {
        return delCourse_train(ids);
      }).then(() => {
        this.getList();
        this.$modal.msgSuccess("删除成功");
      }).catch(() => {
      });
    },
    /** 导出按钮操作 */
    handleExport() {
      this.download('course/course_train/export', {
        ...this.queryParams
      }, `course_train_${new Date().getTime()}.xlsx`)
    }
  }
};
</script>
